"Manned space flight is costly and dangerous. Moreover, the recent success of a series of unmanned space probes and satellites has demonstrated that a great deal of useful information can be gathered without the costs and risks associated with sending men and women into space. Therefore, we should invest our resources in unmanned space flight.
The author concludes that we should invest our resources in ummanned space flight. In order to bolster his conclusion, he includes some assumption such as the costly and dangerous of the manned space flight, series of success of the unmanned space flight and its effectiveness in gathering the useful information. But, these evidents arenot enough to bolster his conclusion, so, in order to bolster his conclusion he must includes the following evidents.
Firstly, the author assumes that the cost of unmanned space flight is useful in gathering the information without cost than that of the manned space flight. But the author fails to describe the required cost used in these two different space flight. It might be possible that the cost invested in the manned space flight may be high due to different important instrument attachment in order to collection of the effective information than that of the unmanned space probes and satellites.
Secondly, the author assumes that the manned space flight is dangerous than that of the unmanned space flight to bolster his conclusion. But he fails to provide the evidents regarding to the dangerous of the manned space flight. to bolter his conclusion he have to includes the information regarding to the crash, accident or unsuccess of the manned space flight in compatison to the of the unmanned space flight.
Thirdly, the author assumes that the unmanned space flight makes the gathering of the useful information, but, the possibility is that the information collected by the unmanned space flight might be less reliable and accurate than than that of the information collected by the manned space flight. The manned space flight may be easy to control in gathering the useful information due to the presence of human rather than that of the unmanned space flight.
To the sum, the author must include these states facts in order to bolster his argument.
Comments
Essay evaluation report
Attribute Value Ideal
Final score: 3.0 out of 6
Category: Satisfactory Excellent
No. of Grammatical Errors: 0 2
No. of Spelling Errors: 0 2
No. of Sentences: 11 15
No. of Words: 313 350
No. of Characters: 1567 1500
No. of Different Words: 104 200
Fourth Root of Number of Words: 4.206 4.7
Average Word Length: 5.006 4.6
Word Length SD: 2.61 2.4
No. of Words greater than 5 chars: 125 100
No. of Words greater than 6 chars: 80 80
No. of Words greater than 7 chars: 65 40
No. of Words greater than 8 chars: 40 20
Use of Passive Voice (%): 0 0
Avg. Sentence Length: 28.455 21.0
Sentence Length SD: 11.719 7.5
Use of Discourse Markers (%): 0.818 0.12
Sentence-Text Coherence: 0.566 0.35
Sentence-Para Coherence: 0.769 0.50
Sentence-Sentence Coherence: 0.328 0.07
Number of Paragraphs: 5 5
Grammar and spelling errors:
Line 5, column 230, Rule ID: UPPERCASE_SENTENCE_START
Message: This sentence does not start with an uppercase letter
Suggestion: To
...e dangerous of the manned space flight. to bolter his conclusion he have to includ...
^^
Line 5, column 258, Rule ID: HE_VERB_AGR[1]
Message: The pronoun 'he' must be used with a third-person verb: 'has'.
Suggestion: has
...ace flight. to bolter his conclusion he have to includes the information regarding t...
^^^^
Line 5, column 266, Rule ID: TO_NON_BASE[1]
Message: The verb after "to" should be in the base form: 'include'.
Suggestion: include
...ht. to bolter his conclusion he have to includes the information regarding to the crash,...
^^^^^^^^
Line 7, column 227, Rule ID: ENGLISH_WORD_REPEAT_RULE
Message: Possible typo: you repeated a word
Suggestion: than
...ght might be less reliable and accurate than than that of the information collected by th...
^^^^^^^^^
Transition Words or Phrases used:
but, first, firstly, if, may, regarding, second, secondly, so, third, thirdly, such as
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 7.0 19.6327345309 36% => More to be verbs wanted.
Auxiliary verbs: 7.0 12.9520958084 54% => OK
Conjunction : 7.0 11.1786427146 63% => OK
Relative clauses : 11.0 13.6137724551 81% => OK
Pronoun: 28.0 28.8173652695 97% => OK
Preposition: 48.0 55.5748502994 86% => OK
Nominalization: 14.0 16.3942115768 85% => OK
Performance on vocabulary words:
No of characters: 1603.0 2260.96107784 71% => OK
No of words: 313.0 441.139720559 71% => More content wanted.
Chars per words: 5.1214057508 5.12650576532 100% => OK
Fourth root words length: 4.20616286096 4.56307096286 92% => OK
Word Length SD: 2.67627146075 2.78398813304 96% => OK
Unique words: 108.0 204.123752495 53% => More unique words wanted.
Unique words percentage: 0.345047923323 0.468620217663 74% => More unique words wanted or less content wanted.
syllable_count: 487.8 705.55239521 69% => OK
avg_syllables_per_word: 1.6 1.59920159681 100% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 3.0 4.96107784431 60% => OK
Article: 7.0 8.76447105788 80% => OK
Subordination: 0.0 2.70958083832 0% => More adverbial clause wanted.
Conjunction: 2.0 1.67365269461 119% => OK
Preposition: 4.0 4.22255489022 95% => OK
Performance on sentences:
How many sentences: 12.0 19.7664670659 61% => Need more sentences. Double check the format of sentences, make sure there is a space between two sentences, or have enough periods. And also check the lengths of sentences, maybe they are too long.
Sentence length: 26.0 22.8473053892 114% => OK
Sentence length SD: 65.7727569405 57.8364921388 114% => OK
Chars per sentence: 133.583333333 119.503703932 112% => OK
Words per sentence: 26.0833333333 23.324526521 112% => OK
Discourse Markers: 7.16666666667 5.70786347227 126% => OK
Paragraphs: 5.0 5.15768463074 97% => OK
Language errors: 4.0 5.25449101796 76% => OK
Sentences with positive sentiment : 5.0 8.20758483034 61% => OK
Sentences with negative sentiment : 5.0 6.88822355289 73% => OK
Sentences with neutral sentiment: 2.0 4.67664670659 43% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.392579625098 0.218282227539 180% => OK
Sentence topic coherence: 0.206676749763 0.0743258471296 278% => Sentence topic similarity is high.
Sentence topic coherence SD: 0.127703135822 0.0701772020484 182% => OK
Paragraph topic coherence: 0.242737690645 0.128457276422 189% => OK
Paragraph topic coherence SD: 0.143391786526 0.0628817314937 228% => More connections among paragraphs wanted.
Essay readability:
automated_readability_index: 15.7 14.3799401198 109% => OK
flesch_reading_ease: 45.09 48.3550499002 93% => OK
smog_index: 8.8 7.1628742515 123% => OK
flesch_kincaid_grade: 13.4 12.197005988 110% => OK
coleman_liau_index: 12.71 12.5979740519 101% => OK
dale_chall_readability_score: 7.5 8.32208582834 90% => OK
difficult_words: 51.0 98.500998004 52% => More difficult words wanted.
linsear_write_formula: 13.5 12.3882235529 109% => OK
gunning_fog: 12.4 11.1389221557 111% => OK
text_standard: 13.0 11.9071856287 109% => OK
What are above readability scores?
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Rates: 50.0 out of 100
Scores by essay e-grader: 3.0 Out of 6
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Note: the e-grader does NOT examine the meaning of words and ideas. VIP users will receive further evaluations by advanced module of e-grader and human graders.